"Fri, 02 Jan 1970 04:35:58"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
19700102
Only TIME
04:35:58
General datetime
1970-01-02 04:35:58Z
For Database
1970-01-02 04:35:58
For HTTP1.1
Fri, 02 Jan 1970 04:35:58 GMT